Recipient for storing a fluid intended to interact with a user

Abstract

A vessel for storing an object, comprising an electrically insulating container, intended to contain the object and an electrically conductive layer, arranged on a surface of the container. There is a control circuit including an electrically conductive detection element, electrically insulated from the conductive layer and capacitively coupled to the conductive layer. The control circuit is configured to measure the capacitance formed between the conductive layer and an electrically charged object brought close to the conductive layer and to generate a control signal dependent on the measured capacitance.

The invention claimed is: 
     
       1. A manufacture comprising a vessel, wherein said vessel comprises a container, a control circuit, a conductive layer, a first capacitance, a second capacitance, and an insulating layer, wherein said container is an electrically-insulating container that comprises an external surface, wherein said conductive layer is an electrically-conductive layer that is arranged on said external surface of said container, wherein said insulating layer is an electrically-insulating layer that covers at least a portion of said conductive layer and thereby protects said at least a portion of said conductive layer from exposure to oxygen, wherein said control circuit comprises a first detection element that is electrically conductive, electrically insulated from said conductive layer, and capacitively coupled to said conductive layer, wherein said conductive layer and said first detection element define said first capacitance, wherein said conductive layer and an electrically-charged object define said second capacitance, said second capacitance varying with distance between said electrically-charged object and said container, said first and second capacitances being electrically in series with each other, wherein said first capacitance electrically isolates said control circuit from said conductive layer, wherein said insulating layer is arranged between said electrically conductive layer and said first detection element, and wherein said control circuit is configured to obtain a measurement of said second capacitance and to generate a control signal that depends on said measurement of said second capacitance. 
     
     
       2. A manufacture said manufacture comprising a vessel, said vessel comprising a container, a conductive layer, an insulating layer, a capacitance, and a control circuit, wherein said container is an electrically-insulating container that comprises an external surface, wherein said conductive layer is an electrically-conductive layer disposed on said external surface of said container, wherein said insulating layer is covered by an electrically insulating layer that covers at least a portion of said conductive layer and that protects said at least a portion of said conductive layer from oxygen, wherein said control circuit comprises a detection element that is electrically conductive, that is electrically insulated from said conductive layer, and that is capacitively coupled to said conductive layer, wherein said insulating layer is arranged between said conductive layer and said detection element, wherein said conductive layer and said detection element form said capacitance, and wherein said control circuit is configured to generate a control signal that depends on a change in said capacitance. 
     
     
       3. The manufacture of  claim 2 , further comprising a cabochon that separates from said container and that is mounted removably on said container, wherein the control circuit is formed within said cabochon, and wherein said control circuit is configured to generate said control signal in response to movement of said cabochon towards or away from said container. 
     
     
       4. The manufacture of  claim 1 , wherein said conductive layer covers most of said container. 
     
     
       5. The manufacture of  claim 1 , wherein said conductive layer comprises a first part and a second part, said first and second parts being electrically insulated from one another, said control circuit comprising a second detection element, said second detection element being electrically conductive, wherein said first detection element is electrically insulated from said first part and from said second part, wherein said second detecting element is electrically insulated from said first part and from said second part, wherein said first detection element is capacitively coupled to said first part, wherein said second detection element is capacitively coupled to said second part, wherein, said control circuit is configured to measure a first capacitance and a second capacitance, wherein said first capacitance is formed between said first and an electrically-charged object said first part, wherein said second capacitance is formed between said second part and said electrically-charged object, and wherein said control circuit is further configured to generate a control signal that is based at least in part on said on said measured first and second capacitances. 
     
     
       6. The manufacture of  claim 5 , wherein said combination of said parts covers most of the container. 
     
     
       7. The manufacture of  claim 1 , wherein said insulating layer exhibits a ratio ∈ r /e greater than 100,000, with ∈ r  being the relative permittivity of the material of the insulating layer and e being the thickness of the insulating layer. 
     
     
       8. The manufacture of  claim 7 , in which said insulating layer exhibits a ratio ∈ r /e greater than 500,000, with ∈ r  being the relative permittivity of the material of the insulating layer and e being the thickness of the insulating layer. 
     
     
       9. The manufacture of  claim 1 , wherein said first detection element is glued onto the insulating layer via a conductive adhesive. 
     
     
       10. The manufacture of  claim 1 , wherein said first detection element is a conductive surface with a surface area at least equal to 20 mm 2  arranged facing said conductive layer. 
     
     
       11. The manufacture of  claim 1 , further comprising a cabochon that is configured to be secured removably to the container, wherein when said cabochon is secured to said container, said cabochon covers said container, and when said cabochon is removed from said container, said container is open, wherein said control circuit is fixed to said cabochon, wherein, when said cabochon covers said container, said first detection element faces said conductive layer and is capacitively coupled to said conductive layer. 
     
     
       12. The manufacture of  claim 1 , wherein said circuit comprises a microcontroller of which at least one input terminal is electrically connected to said first detection element. 
     
     
       13. The manufacture of  claim 1 , further comprising cosmetic product, wherein said cosmetic product is disposed in said container. 
     
     
       14. The manufacture of  claim 1 , wherein said conductive layer has an optical transmittance that is at least equal to 60% over the visible spectrum. 
     
     
       15. The manufacture of  claim 1 , further comprising a transducer that is configured to receive the generated control signal. 
     
     
       16. The manufacture of  claim 1 , further comprising perfume, wherein said perfume is disposed in said container. 
     
     
       17. The manufacture of  claim 1 , further comprising cream, wherein said cream is disposed in said container.